Use ftdi_new and not ftdi_init in the examples
[libftdi] / examples / bitbang.c
... / ...
CommitLineData
1/* This program is distributed under the GPL, version 2 */
2
3#include <stdio.h>
4#include <stdlib.h>
5#include <unistd.h>
6#ifdef __WIN32__
7#define sleep(x) Sleep(x)
8#endif
9#include <ftdi.h>
10
11int main(int argc, char **argv)
12{
13 struct ftdi_context *ftdi;
14 int f,i;
15 unsigned char buf[1];
16 int retval = 0;
17
18 if ((ftdi = ftdi_new()) == 0)
19 {
20 fprintf(stderr, "ftdi_new failed\n");
21 return EXIT_FAILURE;
22 }
23
24 f = ftdi_usb_open(ftdi, 0x0403, 0x6001);
25
26 if (f < 0 && f != -5)
27 {
28 fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f, ftdi_get_error_string(ftdi));
29 retval = 1;
30 goto done;
31 }
32
33 printf("ftdi open succeeded: %d\n",f);
34
35 printf("enabling bitbang mode\n");
36 ftdi_set_bitmode(ftdi, 0xFF, BITMODE_BITBANG);
37
38 sleep(3);
39
40 buf[0] = 0x0;
41 printf("turning everything on\n");
42 f = ftdi_write_data(ftdi, buf, 1);
43 if (f < 0)
44 {
45 fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi));
46 }
47
48 sleep(3);
49
50 buf[0] = 0xFF;
51 printf("turning everything off\n");
52 f = ftdi_write_data(ftdi, buf, 1);
53 if (f < 0)
54 {
55 fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi));
56 }
57
58 sleep(3);
59
60 for (i = 0; i < 32; i++)
61 {
62 buf[0] = 0 | (0xFF ^ 1 << (i % 8));
63 if ( i > 0 && (i % 8) == 0)
64 {
65 printf("\n");
66 }
67 printf("%02hhx ",buf[0]);
68 fflush(stdout);
69 f = ftdi_write_data(ftdi, buf, 1);
70 if (f < 0)
71 {
72 fprintf(stderr,"write failed for 0x%x, error %d (%s)\n",buf[0],f, ftdi_get_error_string(ftdi));
73 }
74 sleep(1);
75 }
76
77 printf("\n");
78
79 printf("disabling bitbang mode\n");
80 ftdi_disable_bitbang(ftdi);
81
82 ftdi_usb_close(ftdi);
83done:
84 ftdi_free(ftdi);
85
86 return retval;
87}